#
#  Copyright 2017 Broadcom
#  
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License, version 2, as
#  published by the Free Software Foundation (the "GPL").
#  
#  This program is distributed in the hope that it will be useful, but
#  WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#  General Public License version 2 (GPLv2) for more details.
#  
#  You should have received a copy of the GNU General Public License
#  version 2 (GPLv2) along with this source code.
#
# $Id: Makefile.linux-iproc-3_6,v 1.1 Broadcom SDK $
# $Copyright: (c) 2007 Broadcom Corp.
# All Rights Reserved.$
# Makefile for iproc-CMICd

# User must select one platform from below.By default ARM_LINUX is selected. .
ifeq (,$(BUILD_PLATFORM))
BUILD_PLATFORM=ARM_LINUX
endif

# TOOLCHAIN_BASE_DIR    Toolchain base directory for iPROC-CMICd devices
# TARGET_ARCHITECTURE   Compiler for target architecture
# KERNDIR               Kernel directory for iPROC-CMICd devices
ifeq (BE,$(ENDIAN_MODE))
TOOLCHAIN_BASE_DIR ?= /projects/ntsw-tools/linux/iproc_ldks/xldk37-be/buildroot-2013.11-gcc48-opt-broadcom
TARGET_ARCHITECTURE:=armeb-buildroot-linux-gnueabi
KERNDIR ?= /projects/ntsw-tools/linux/iproc_ldks/xldk37-be/XLDK/kernel/linux
else
TOOLCHAIN_BASE_DIR ?= /projects/ntsw-tools/linux/iproc_ldks/xldk37/XLDK
TARGET_ARCHITECTURE:= arm-broadcom-linux-uclibcgnueabi
KERNDIR ?= $(TOOLCHAIN_BASE_DIR)/kernel/linux
endif


ifeq (,$(CROSS_COMPILE))
CROSS_COMPILE:= $(TARGET_ARCHITECTURE)-
endif

# arm9tools
ifeq (BE,$(ENDIAN_MODE))
TOOLCHAIN_BIN_DIR=$(TOOLCHAIN_BASE_DIR)/host/usr/bin
override PATH:=$(TOOLCHAIN_BASE_DIR)/host/usr/$(TARGET_ARCHITECTURE)/bin:$(TOOLCHAIN_BIN_DIR):$(PATH)
LD_LIBRARY_PATH=$(TOOLCHAIN_BASE_DIR)/host/usr/lib
else
TOOLCHAIN_BIN_DIR=$(TOOLCHAIN_BASE_DIR)/buildroot/usr/bin
override PATH:=$(TOOLCHAIN_BASE_DIR)/buildroot/usr/$(TARGET_ARCHITECTURE)/bin:$(TOOLCHAIN_BIN_DIR):$(PATH)
LD_LIBRARY_PATH=$(TOOLCHAIN_BASE_DIR)/buildroot/usr/lib
endif

export TOOLCHAIN_BIN_DIR LD_LIBRARY_PATH

# Default Linux include directory
ifeq (,$(LINUX_INCLUDE))
LINUX_INCLUDE := $(KERNDIR)/include
endif

ifeq (BE,$(ENDIAN_MODE))
CFGFLAGS += -DSYS_BE_PIO=1 -DSYS_BE_PACKET=0 -DSYS_BE_OTHER=1
ENDIAN = BE_HOST=1
else
CFGFLAGS += -DSYS_BE_PIO=0 -DSYS_BE_PACKET=0 -DSYS_BE_OTHER=0
ENDIAN = LE_HOST=1
endif

CFGFLAGS += -D$(ENDIAN) -DIPROC_CMICD
CFGFLAGS += -DBCM_PLATFORM_STRING=\"IPROC_CMICD\"

ARCH = arm
KBUILD_VERBOSE = 1

export ARCH KBUILD_VERBOSE

comma = ,
basetarget = $(basename $(notdir $@))
modname = $(basetarget)

# Extra variables.
EXTRA_CFLAGS = -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags)

name-fix = $(subst $(comma),_,$(subst -,_,$1))
basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"
modname_flags  = $(if $(filter 1,$(words $(modname))),\
                 -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")

ifeq (BE,$(ENDIAN_MODE))
KFLAG_INCLD ?= $(TOOLCHAIN_BASE_DIR)/host/usr/lib/gcc/$(TARGET_ARCHITECTURE)/4.8.2/include
else
KFLAG_INCLD ?= $(TOOLCHAIN_BASE_DIR)/buildroot/usr/lib/gcc/$(TARGET_ARCHITECTURE)/4.7.2/include
endif

ifeq (,$(KFLAGS))
KFLAGS := -D__LINUX_ARM_ARCH__=7 -D__KERNEL__ -nostdinc  -isystem $(KFLAG_INCLD) -I$(LINUX_INCLUDE) -include $(LINUX_INCLUDE)/generated/autoconf.h -I$(KERNDIR)/arch/arm/include -I$(KERNDIR)/arch/arm/include/generated -I$(KERNDIR)/arch/arm/mach-northstar/include -I$(KERNDIR)/arch/arm/plat-iproc/include -Wall -Wstrict-prototypes -Wno-trigraphs -Os -fno-strict-aliasing -fno-common -marm -mabi=aapcs-linux -fno-pic -pipe -msoft-float -ffreestanding -march=armv7-a -mfpu=vfp -mfloat-abi=softfp -fomit-frame-pointer -g -fno-stack-protector -Wdeclaration-after-statement -Wno-pointer-sign -mlong-calls
KFLAGS += -I$(LINUX_INCLUDE)/uapi -I$(LINUX_INCLUDE)/generated/uapi -I$(KERNDIR)/arch/arm/include/uapi -I$(KERNDIR)/arch/arm/include/generated/uapi
endif

ifneq ($(targetplat),user)
include ${SDK}/make/Makefile.linux-kernel-3_6
endif